From 77e475cc0ed1832160017d364be32a0be9ff02a9 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kmpark@infradead.org>
Date: Mon, 31 Mar 2008 10:40:36 +0900
Subject: Fix OneNAND read

It should access with 16-bit instead of 8-bit

Now it uses the generic memcpy with 8-bit access. It means it reads wrong data from OneNAND.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/mtd/onenand/onenand_base.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'drivers/mtd/onenand')

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 3b828fb627..174384eab9 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -20,6 +20,19 @@
 #include <asm/io.h>
 #include <asm/errno.h>
 
+/* It should access 16-bit instead of 8-bit */
+static inline void *memcpy(void *dst, const void *src, unsigned int len)
+{
+	void *ret = dst;
+	short *d = dst;
+	const short *s = src;
+
+	len >>= 1;
+	while (len-- > 0)
+		*d++ = *s++;
+	return ret;
+}
+
 static const unsigned char ffchars[] = {
 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,	/* 16 */
-- 
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